ネット上にある河東の講義，講演ビデオ

• Quantum 6j-symbold and α-induction, Beijing Institute of Mathematical Sciences and Applications (China), 2024.
• Flatness of alpha-induced bi-unitary connections and commutativity of Frobenius algebras, Simons Laufer Mathematical Sciences Institute (U.S.A.), 2024.
• Operator algebras, tensor categories and tensor networks, International Congress on Basic Science, Beijing Institute of Mathematical Sciences and Applications (China), 2024.
• Operator algebras, bi-unitary connections and tensor networks, Beijing Institute of Mathematical Sciences and Applications (China), 2024. (another list on YouTube)
• Bi-unitary connections, modular tensor categories and alpha-induction, Banff International Research Station (Canada), 2023.
• Two-dimensional topological order and operator algebras, International Centre for Mathematical Sciences (U.K.), 2023.
• トポロジカル量子コンピュータのための数学，公開シンポジウム「トポロジカルデバイスの現在と未来」，科学技術振興機構，2023.
• α-induction for bi-unitary connections, Isaac Newton Instiute for Mathematical Sciences (U.K.), 2023.
• α-induction, tensor categories and operator algebras, BIMSA Integrable Systems Seminar (China) [Online], 2023.
• 無限次元の行列と量子コンピュータ，東京大学大学院数理科学研究科2022年度公開講座 『量子の世界の数学』，2022.
• A characterization of a finite-dimensional commuting square producing a subfactor of finite depth, 作用素論作用素環論研究集会，大阪教育大学，2022.
• エニオンの圏論的対称性と作用素環，京都大学基礎物理学研究所，2022.
• A characterization of a finite-dimensional commuting square producing a subfactor of finite depth, Harvard University (U.S.A.), 2022.
• トポロジカル量子コンピュータの理論と数学，公開シンポジウム「トポロジカル科学の現在と未来」，科学技術振興機構，2021.
• 無限次元の数学と量子計算機，公開講座，東京大学五月祭，2021.
• Topological order, tensor networks and subfactors, Harvard University (U.S.A.), 2020
• Topological order, operator algebras and topological quantum field theory, Universidad Nacional Autónoma de México (Mexico), 2020
• Topological order, tensor networks and subfactors, Erwin Schrödinger Institute (Austria), 2020
• Anyons, matrix product operator algebras and subfactors, Simons Center for Geometry and Physics (U.S.A.), 2019.
• The relative Drinfeld commutants and the relative Verlinde formula, Banff International Research Station (Canada), 2018.
• Conformal field theory, vertex operator algebras and operator algebras, International Congress of Mathematicians 2018, Rio de Janeiro (Brazil), 2018.
• The relative Drinfeld commutant of a fusion category and alpha-induction, Będlewo (Poland), 2018
• 数学特別講義(函数解析学）作用素環と共形場理論, 京都大学, 2018.
• Subfactors, conformal field theory and modular tensor categories, Casa Matemática Oaxaca (Mexico), 2016
• Subfactors and gapped domain walls between topological phases, Universität Bonn (Germany), 2016
• 木田良才氏インタビュー, 東京大学，2015
• Full conformal field theories, tensor categories and subfactors, Banff International Research Station (Canada) 2014.
• 誤り訂正符号と数学, 東京大学, 2011.
• インターネットと暗号の数学, 東京大学, 2011.
• 通信の効率化の数学---ネットワーク符号化, 東京大学, 2011.
• Interview with Vaughan Jones, the University of Tokyo, 2009
• Interview with Benoit Collins, the University of Tokyo, 2008
• Braiding and extension of endomorphisms of operator algebras, MSRI (U.S.A.), 2000

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